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The clustering mechanism underlying a kinetic model related to Bose-Einstein statistics
KTH, Superseded Departments, Polymer Technology.
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2004 (English)In: Mechanics of time-dependant materials, ISSN 1385-2000, E-ISSN 1573-2738, Vol. 8, no 2, 95-103 p.Article in journal (Refereed) Published
Abstract [en]

The present paper discusses the clustering of elementary events in a kinetic relaxation model based on a time-domain analog of Bose-Einstein statistics. The clustering results in a spectrum of relaxation times which are integer-valued fractions of the relaxation time of single events, thus providing a stretching of the overall process towards shorter times. The predictions of the model are combined with an expression describing the 'universal' behaviour of solids of various structure and composition in a stress relaxation experiment. This yields the remarkable result that the average cluster size relating to the entire process is six. Correspondingly, the average relaxation time is found to be 1/6 of the relaxation time of the single events.

Place, publisher, year, edition, pages
2004. Vol. 8, no 2, 95-103 p.
Keyword [en]
Bose-Einstein, clustering, cooperative processes, kinetics, stress relaxation
National Category
Polymer Technologies
URN: urn:nbn:se:kth:diva-41911DOI: 10.1023/B:MTDM.0000027687.08432.72ISI: 000221390400001ScopusID: 2-s2.0-3543102774OAI: diva2:450816
Available from: 2011-10-22 Created: 2011-10-03 Last updated: 2011-10-22Bibliographically approved

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